Mommy's plane ticket to leave town for the weekend and end up stranded an extra day in Detroit cost $211.00. Mommy was out of town for 73 hours. In an average week Mommy runs a vacuum 7 times. What was the value of hearing Daddy ask in a very loud and irritated voice 47 minutes after bringing Mommy back home from the airport "What's all over this floor? I just vacuumed it today!"?
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